Johnson Controls T-4100-103 Universal Wallplate Adapter Kit

The Johnson Controls T-4100-103 Universal Wallplate Adapter Kit is a device that helps you to connect to your existing HVAC system and give you more control over your comfort. It means that you can change the mode from heating to cooling and vice versa by a wall-mounted switch at your convenience. This means that you do not have to constantly alter the thermostat settings when you want to change the temperature of the house, compatible with most contemporary HVAC systems.